An easy-to-use walk around guide. By Garry P. Dalrymple The visibility of the stars and the planets is a restriction placed on all of us...

Dr Toner Stevenson, History Affiliate, School of Humanities, The University of Sydney This blog post is to recognise Margaret Colville...

The dictionary defines binary as “composed of or involving two things”, so a binary star is a system composed of two stars which orbit ...

11th November 1572 Supernova SN1572, also called B Cassiopeiae, is first observed by Danish astronomer, Tycho Brahe. The “new star” was...

A few snippets about one of the easiest constellations to spot in the night sky.

25th June 1997 A Russian uncrewed cargo spacecraft collides with the Mir Space Station during a docking attempt knocking out much of its...

15th May 1618 Johannes Kepler discovers the mathematical rule governing the orbits of our solar system’s planets. The image left is...

This was the first of 5 total solar eclipses seen from Australia. The next is 2028.

How to find and key features of the Orion Constellation

We end 2022 on a sad but important note, commemorating the contribution made and lives of Professor Jay Pasachoff, solar eclipse...